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Biomedical subjects

U Zellweger

Publications and source records attributed to U Zellweger.

22 records · Page 2Linked to original sources

Cefuroxime in bacterial meningitis.

In order to find an alternative antimicrobial treatment for childhood bacterial meningitis 30 infants and children with meningitis, due to Haemophilus influenzae (n = 13), Neisseria meningitis (n = 9), Streptococcus pneumoniae (n = 5), or meningitis of unknown aetiology (n = 3), were treated with cefuroxime, 200 mg/kg a day, as the only antibiotic. Prompt clinical and bacteriological responses were noted and every patient was cured. Cefuroxime concentrations in cerebrospinal fluid ranged from 1.1 to 18.8 (mean 7.0) mg/l at the beginning and from 0.5 to 4.1 (mean 1.6) mg/l at the end of treatment. Three infants developed symptomatic sterile subdural effusions which were managed by repeated subdural aspirations while still on antibiotics. Cefuroxime concentrations in the subdural fluid ranged from 17.4 to 32.4 mg/l. At follow-up 2 patients had moderate unilateral hearing loss and one had mild ataxia. We conclude that cefuroxime is effective and safe for the treatment of childhood bacterial meningitis caused by any of these common organisms.

Cefuroxime↗

[Adenosine deaminase activity in blood cells; influence of cytostatic therapy in patients with acute leukemia and with renal transplants (author's transl)].

A causal relation between the enzyme, adenosine deaminase (ADA), and immune dysfunction is well known: patients with congenital inactivity of ADA invariably suffer of severe combined immunodeficiency. In contrast, we found in patients treated with immunosuppressive drugs increased ADA enzyme activity. Previous findings on ADA activity in acute leukemias are until now controversial. We found normal to increased ADA activity in children with acute lymphatic leukemia (ALL) and acute myeloid leukemia (AML) in remission as long as they were treated with cytostatic drugs. In the group of cured leukemics (in continuous remission after suspension of the therapeutic regimen) the ADA activities were normal. These findings do not exclude a heterogeneity within the leukemia group. They do not explain the signs of cellular immunodeficiencies well known in patients with acute leukemias.

Adenosine Deaminase↗

[Diabetes insipidus, diabetes mellitus, optic nerve atrophy, and deafness--an autosomal recessive syndrome (didmoad-syndrome) (author's transl)].

By reporting a further case attention is drawn to the autosomal recessive inherited DIDMOAD-syndrome. While diabetes mellitus and optic atrophy are easy to recognize, one often has specifically to look for deafness, diabetes insipidus and the frequently associated dilatation of the urinary tract. Awareness of this condition is important for genetic counselling and vocational guidance, and allows to avoid invasive neuroradiological investigations.

Child↗